This new version is a paid 3D model (and it includes STEP files, thankfully) but the original proof-of-concept print-in-place tank chassis is free ... If race cars are more your thing, we ...

Thus, [3D Sanago] used foam boards to cover much of the chassis. The build recreates the kart from the KartRider Rush+ game. The first step was to purchase a basic RC car frame to serve as the ...